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    <p>openssl too old not containing the necessary algorythms ?<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 02/09/2017 04:05 PM, SamyGo wrote:<br>
    </div>
    <blockquote
cite="mid:CAJUJwthXmoEwEQ2w4y+xqSm-tUpL-r6E7ypY169x+Y97-LtrDA@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hi,
        <div>I've trying to figure out the error that causes the WebRTC
          based calls to hangup.</div>
        <div><br>
        </div>
        <div>
          <div><font face="monospace, monospace">2017-02-09
              18:57:53.708073 [NOTICE] switch_rtp.c:1275 Auto Changing
              audio stun/rtp/dtls port from <a moz-do-not-send="true"
                href="http://70.54.102.180:56188">70.54.102.180:56188</a>
              to <a moz-do-not-send="true"
                href="http://70.54.102.180:1572">70.54.102.180:1572</a></font></div>
          <div><font face="monospace, monospace">2017-02-09
              18:57:54.688079 [ERR] switch_rtp.c:3165 <font
                color="#cc0000">audio Handshake failure 1</font></font></div>
          <div><font face="monospace, monospace">2017-02-09
              18:57:54.688079 [INFO] switch_rtp.c:3166 <font
                color="#38761d">Changing audio DTLS state from HANDSHAKE
                to FAIL</font></font></div>
        </div>
        <div><br>
        </div>
        <div>Operating System is: Ubuntu 14.04.5 LTS</div>
        <div><br>
        </div>
        <div><b>OpenSSL version:</b></div>
        <div>
          <div><font face="monospace, monospace">OpenSSL 1.0.1f 6 Jan
              2014<br>
            </font></div>
          <div><font face="monospace, monospace">built on: Mon Jan 30
              20:38:38 UTC 2017</font></div>
          <div><font face="monospace, monospace">platform: debian-amd64</font></div>
          <div><font face="monospace, monospace">options:  bn(64,64)
              rc4(16x,int) des(idx,cisc,16,int) blowfish(idx)</font></div>
          <div><font face="monospace, monospace">compiler: cc -fPIC
              -DOPENSSL_PIC -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN
              -DHAVE_DLFCN_H -m64 -DL_ENDIAN -DTERMIO -g -O2
              -fstack-protector --param=ssp-buffer-size=4 -Wformat
              -Werror=format-security -D_FORTIFY_SOURCE=2
              -Wl,-Bsymbolic-functions -Wl,-z,relro -Wa,--noexecstack
              -Wall -DMD32_REG_T=int -DOPENSSL_IA32_SSE2
              -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5
              -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM
              -DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM
              -DWHIRLPOOL_ASM -DGHASH_ASM</font></div>
          <div><font face="monospace, monospace">OPENSSLDIR:
              "/usr/lib/ssl"</font></div>
        </div>
        <div><font face="monospace, monospace"><br>
          </font></div>
        <div><font face="monospace, monospace">Tried couple of Jira Bug
            links around this and still no progress. Disabling
            "inbound_late_negotiations" doesn't help either.</font></div>
        <div><font face="monospace, monospace"><br>
          </font></div>
        <div><font face="monospace, monospace"><br>
          </font></div>
        <div><font face="monospace, monospace">Regard,</font></div>
        <div><font face="monospace, monospace">Sammy</font></div>
        <div><font face="monospace, monospace"><br>
          </font></div>
        <div><br>
        </div>
      </div>
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